Rotary terminal fixing structure

Abstract

The utility model relates to a rotary terminal fixing structure, which comprises a plate end assembly, a wire end assembly and a driving assembly, the board end assembly comprises a board end sheath and a plurality of PIN mechanisms, each PIN mechanism comprises a rotary PIN, a rivet and a fixed PIN, the rivet is arranged in the board end sheath and is provided with a first through hole, the rotary PIN and the fixed PIN are respectively inserted into the rivet, the fixed PIN is in interference contact with the rotary PIN, the rotary PIN is provided with a clamping groove, and the rotary PIN has a first position and a second position; the wire end assembly comprises a wire end sheath and a plurality of terminals, the terminals are provided with first slots, and the first slots are provided with bosses matched with the clamping grooves; the plate end sheath and the wire end sheath are buckled through a first buckling piece, when the plate end sheath and the wire end sheath are buckled, the rotating PINs are inserted into the first slots of the corresponding terminals at the first positions, and the driving assembly drives the rotating PINs to rotate from the first positions to the second positions; and when the rotary PIN needle is located at the second position, the clamping groove of the rotary PIN needle is buckled with the boss of the corresponding terminal.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile lighting, especially relates to a rotary terminal fixing structure. BACKGROUND

[0002] Connectors are widely used in various electrical circuits, playing the role of connecting or disconnecting circuits and functional switches. As is known, the two conductors lapped together must be closely fitted when transmitting current, and the current transmitted by the automobile lamp conveying wire harness reaches several amperes, so the matching between the connector terminals is very strict. The terminals and PIN pins are the lapped conductors and the core components of the connector, and the general wire harness is fastened by PIN pins and plate end sheaths and fastened by terminals and wire end sheaths. Since the wire end sheath and the plate end sheath are only buckled and locked, when the vehicle vibrates, the connector is prone to falling off, causing the two lapped connections of the terminals and PIN pins to loosen, so that the conductor contact is poor, the resistance is large, and the function fails, and the automobile lamp will be extinguished. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a rotary terminal fixing structure which can closely combine the terminals and PIN pins and prevent the connector from falling off when the vehicle vibrates.

[0004] The utility model is implemented by the following technical scheme:

[0005] A rotary terminal fixing structure comprises a plate end assembly and a wire end assembly which cooperate with each other, and further comprises a driving assembly.

[0006] The plate end assembly comprises a plate end sheath and a plurality of PIN pin mechanisms, the plurality of PIN pin mechanisms are arranged at intervals in the plate end assembly, the PIN pin mechanism comprises a rotary PIN pin, a rivet and a fixed PIN pin, the rivet is arranged in the plate end sheath, a first through hole penetrating through the first end to the second end of the rivet is formed in the rivet, one end of the rotary PIN pin is inserted into the rivet from the first end of the rivet and is in interference fit with the rivet, one end of the fixed PIN pin is inserted into the rivet from the second end of the rivet and is in interference contact with the rotary PIN pin, a clamping groove is formed on each side of the rotary PIN pin, and the rotary PIN pin can rotate relative to the rivet to form a first position and a second position.

[0007] The wire end assembly comprises a wire end sheath and a plurality of terminals, the plurality of terminals and the plurality of rotary PIN pins are in one-to-one correspondence, the plurality of terminals are arranged at intervals in the wire end sheath, a first insertion groove for inserting the rotary PIN pin is formed in the terminal, and a boss matched with the clamping groove is formed on the two side walls of the first insertion groove.

[0008] The side of the board end sheath and the wire end sheath is provided with a first buckling part capable of buckling with each other, when the board end sheath is buckled with the wire end sheath, the rotary PIN needle is inserted into the first slot of the corresponding terminal in the first position, and the driving assembly drives each rotary PIN needle to rotate from the first position to the second position.

[0009] When the rotary PIN needle is in the second position, the clamping groove of the rotary PIN needle and the boss of the corresponding terminal are buckled with each other.

[0010] Further, the rotary PIN needle is provided with a gear, the driving assembly comprises a rack, a first elastic member and a push rod, the board end sheath is provided with a sliding groove, the rack is slidingly arranged in the sliding groove and is engaged with the gears on the plurality of rotary PIN needles, the first end of the rack is connected with the board end sheath through the first elastic member, the first end of the push rod is arranged on the wire end sheath, the second end of the push rod is provided with an inclined surface, when the board end sheath is buckled with the wire end sheath, the second end of the push rod pushes the rack to move along the sliding groove, and each gear is driven to rotate by the rack, so that each gear drives each rotary PIN needle to rotate from the first position to the second position.

[0011] Further, the board end sheath is provided with an embedded plate, the embedded plate is provided with mounting holes on one side for mounting a plurality of rivets respectively, the embedded plate is provided with second through holes on the other side for the plurality of rotary PIN needles to pass through respectively, the sliding groove is arranged in the embedded plate, the embedded plate is provided with a rotating cavity communicating with the sliding groove above the sliding groove, and the gear is arranged in the rotating cavity.

[0012] Further, the board end sheath is provided with a partition plate, the partition plate is connected with the embedded plate, and the partition plate is provided with third through holes communicating with the mounting holes respectively, one end of the fixed PIN needle passes through the third through hole and is inserted into the rivet, and the end of the fixed PIN needle inserted into the rivet is in the shape of a mushroom head.

[0013] Further, the board end sheath is provided with a fourth through hole communicating with the sliding groove on one side, one end of the rack extends to the outside of the board end sheath from the fourth through hole and is used for contacting the push rod, and the board end sheath is provided with a limiting plate for limiting the position of the rack.

[0014] Further, the inner side wall of the rivet is provided with a plurality of spherical convex points abutting against the rotary PIN needle, and the plurality of spherical convex points are arranged at equal intervals in the circumferential direction of the rivet.

[0015] Further, the bottom of the terminal is provided with an inverted hook capable of being elastically deformed, the wire end sheath is provided with a plurality of insertion grooves for inserting the plurality of terminals respectively, and the bottom of each insertion groove is provided with a groove for inserting the inverted hook.

[0016] Further, the wire end assembly further comprises a secondary locking plate, the secondary locking plate is provided with a plurality of pressing columns corresponding to the plurality of terminals, the terminals are provided with second insertion grooves for the pressing columns to insert, the secondary locking plate and the wire end sheath are provided with second buckling members capable of buckling each other, and the pressing columns are inserted into the second insertion grooves of the corresponding terminals when the secondary locking plate is buckled with the wire end sheath.

[0017] Further, the secondary locking plate is provided with a guide plate, the guide plate is provided with a plurality of guide grooves, and the wire end sheath is provided with guide rails matched with the plurality of guide grooves.

[0018] Further, the first buckling member comprises a first buckling seat arranged on the board end sheath and a first buckling plate arranged on the wire end sheath, and the first buckling plate can be pressed out of the first buckling seat.

[0019] The second buckling member comprises a second buckling seat arranged on the wire end sheath and a second buckling plate arranged on the secondary locking plate, and the second buckling plate can be pulled out of the second buckling seat.

[0020] Compared with the prior art, the beneficial effects of the utility model are that: the board end sheath and the wire end sheath are fixed into an integrated whole through the first buckling member, when the board end sheath and the wire end sheath are buckled, the driving assembly drives each rotating PIN needle to rotate from the first position to the second position, so that the clamping grooves of the rotating PIN needle and the bosses of the corresponding terminals are buckled with each other, so that the terminals and the rotating PIN needle are tightly combined, when the vehicle vibrates, because the clamping grooves of the rotating PIN needle and the bosses of the corresponding terminals are buckled with each other, the two lap joints of the terminals and the rotating PIN needle are not easy to loosen, and then the connector is not easy to fall off, avoiding the situation that the function is lost because the terminals and the rotating PIN needle are in poor contact and the resistance is large, and the car light is extinguished. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an explosion view of the utility model rotating terminal fixing structure;

[0022] Figure 2 It is a top view of the utility model rotating terminal fixing structure;

[0023] Figure 3 It is Figure 2 A-A sectional view;

[0024] Figure 4 It is a structure schematic view of the rotating PIN needle in the utility model rotating terminal fixing structure;

[0025] Figure 5 It is a structure schematic view of the terminal in the utility model rotating terminal fixing structure;

[0026] Figure 6The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0027] Figure 7 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0028] Figure 8 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0029] Figure 9 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0030] Figure 10 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0031] Figure 11 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0032] Figure 12 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal. Figure 11 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0033] Figure 13 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal. Figure 11 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0034] Figure 14 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0035] Figure 15 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal. Figure 14 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0036] Figure 16 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal. Figure 14 The utility model discloses a rotating terminal fixed structure, which is characterized by comprising a board end sleeve, a rotating PIN needle, a rivet, a fixed PIN needle and a terminal.

[0037] In the figure, 1 is a board end sleeve, 11 is an embedded board, 111 is a second through hole, 112 is a sliding groove, 113 is a rotating cavity, 12 is a partition plate, 13 is a limiting plate, 14 is a first buckle seat, 2 is a rotating PIN needle, 21 is a clamping groove, 22 is a gear, 3 is a rivet, 31 is a spherical convex point, 4 is a fixed PIN needle, 5 is a wire end sleeve, 51 is a groove, 52 is a guide rail, 53 is a first buckle plate, 54 is a second buckle seat, 6 is a terminal, 61 is a first insertion groove, 62 is a boss, 63 is a barb, 64 is a second insertion groove, 7 is a rack, 8 is a first elastic member, 9 is a push rod, 10 is a secondary locking sheet, 101 is a pressing column, 102 is a guide plate, 103 is a second buckle plate. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0040] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Meanwhile, in the description of the utility model, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0041] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Meanwhile, in the description of the utility model, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0042] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0043] Please refer to Figures 1 to 7 , Figure 1 is an exploded view of the rotary terminal fixing structure of the utility model,Figure 2 It is the top view of the rotating terminal fixing structure of the utility model, Figure 3 It is Figure 2 It is the A-A section view of the rotating terminal fixing structure of the utility model, Figure 4 It is the structure schematic view of the rotating PIN needle in the rotating terminal fixing structure of the utility model, Figure 5 It is the structure schematic view of the terminal in the rotating terminal fixing structure of the utility model, Figure 6 It is the connection schematic view of the rotating PIN needle in the rotating terminal fixing structure of the utility model and the terminal in the first position, Figure 7 It is the connection schematic view of the rotating PIN needle in the rotating terminal fixing structure of the utility model and the terminal in the second position. A rotating terminal fixing structure, including drive assembly and mutually matched plate end assembly and wire end assembly, plate end assembly includes plate end sheath 1 and multiple PIN needle mechanisms, multiple PIN needle mechanisms are arranged at intervals in plate end assembly, PIN needle mechanism includes rotating PIN needle 2, rivet 3 and fixed PIN needle 4, rivet 3 is arranged in plate end sheath 1, first through hole is formed in rivet 3 and penetrates the first end to the second end of rivet 3, one end of rotating PIN needle 2 is inserted into rivet 3 from the first end of rivet 3 and is in interference fit with rivet 3, one end of fixed PIN needle 4 is inserted into rivet 3 from the second end of rivet 3 and is in interference contact with rotating PIN needle 2, clamping groove 21 is formed on both sides of rotating PIN needle 2, rotating PIN needle 2 can rotate relative to rivet 3 and form first position and second position; Wire end assembly includes wire end sheath 5 and multiple terminals 6, multiple terminals 6 and multiple rotating PIN needles 2 are one-to-one corresponding, multiple terminals 6 are arranged at intervals in wire end sheath 5, first insertion groove 61 is formed in terminal 6 for inserting rotating PIN needle 2, boss 62 is formed on both side walls of first insertion groove 61 and matched with clamping groove 21; One side of plate end sheath 1 and wire end sheath 5 is provided with first buckling member capable of buckling each other, when plate end sheath 1 and wire end sheath 5 are buckled, rotating PIN needle 2 is inserted into first insertion groove 61 of corresponding terminal 6 in first position, and drive assembly drives each rotating PIN needle 2 to rotate from first position to second position; When rotating PIN needle 2 is in second position, clamping groove 21 of rotating PIN needle 2 and boss 62 of corresponding terminal 6 are buckled each other.

[0044] The utility model discloses a rotary terminal fixed structure, when installing, wire end sheath 5 inserts board end sheath 1, and when wire end sheath 5 and board end sheath 1 are fixed into an organic whole through first buckling piece, drive assembly drives each rotary PIN needle 2 to rotate from first position to second position, so that the clamping groove 21 of rotary PIN needle 2 and the boss 62 of corresponding terminal 6 are mutually buckled, thereby making terminal 6 and rotary PIN needle 2 tightly combine, when the vehicle vibrates, because the clamping groove 21 of rotary PIN needle 2 and the boss 62 of corresponding terminal 6 are mutually buckled, terminal 6 and rotary PIN needle 2 are not easy to loosen at two lap joint connections, and then make connector not easy to fall off, avoid the situation that the car light extinguishes due to the poor contact of terminal 6 and rotary PIN needle 2, and resistance becomes big and leads to functional failure, when disassembling, wire end sheath 5 is separated from board end sheath 1, and when wire end sheath 5 and board end sheath 1 are separated, drive assembly drives each rotary PIN needle 2 to rotate from second position to first position, so that the clamping groove 21 of rotary PIN needle 2 and the boss 62 of corresponding terminal 6 are mutually loosened, and at this time, board end assembly and wire end assembly can be separated.

[0045] Please refer to Figures 10 to 16 , Figure 10 It is the connection diagram of drive assembly and PIN needle mechanism in the utility model rotary terminal fixed structure, Figure 11 It is the side view of the utility model rotary terminal fixed structure, Figure 12 It is Figure 11 B-B section view, Figure 13 It is Figure 11 C-C section view, Figure 14 It is the front view of the utility model rotary terminal fixed structure, Figure 15 It is Figure 14 D-D section view, Figure 16 It is Figure 14Figure 2 is a cross-sectional view of the E-E of Figure 1. In an embodiment, the rotating PIN needle 2 is provided with a gear 22, the driving assembly includes a rack 7, a first elastic member 8 and a push rod 9, the plate end sheath 1 is provided with a sliding groove 112, the rack 7 is slidingly arranged in the sliding groove 112 and engaged with the gears 22 on the rotating PIN needles 2, the first end of the rack 7 is connected with the plate end sheath 1 through the first elastic member 8, the first end of the push rod 9 is arranged on the wire end sheath 5, the second end of the push rod 9 is provided with an inclined surface, when the plate end sheath 1 is buckled with the wire end sheath 5, the second end of the push rod 9 pushes the rack 7 to move along the sliding groove 112 to drive the gears 22 to rotate through the rack 7, so that the gears 22 respectively drive the rotating PIN needles 2 to rotate from the first position to the second position. The inclined surface of the second end of the push rod 9 is arranged towards the wire end sheath 5, when the wire end sheath 5 is inserted into the plate end sheath 1 and buckled with the plate end sheath 1, the inclined surface of the second end of the push rod 9 first contacts with the rack 7 and makes the rack 7 move along the inclined surface, since the push rod 9 is fixed, in the process of the rack 7 moving along the inclined surface, a pushing force is formed to the rack 7, so that the rack 7 moves along the sliding groove 112 and compresses the first elastic member 8, the gears 22 are driven to rotate through the rack 7, and then the rotating PIN needles 2 are driven to rotate from the first position to the second position through the gears 22. When the plate end sheath 1 and the wire end sheath 5 are disassembled, the inclined surface of the push rod 9 is separated from the contact with the rack 7, at this time, the rack 7 moves reversely along the sliding groove 112 under the elastic force of the first elastic member 8, the gears 22 are reversely rotated through the rack 7, and then the rotating PIN needles 2 are reversely rotated from the second position to the first position through the gears 22. In an embodiment, the rotating PIN needle 2 is located at the first position, and rotates 90 degrees to be at the second position. In an embodiment, the first elastic member is one of a spring and a spring piece, and the spring piece is not limited to W-shaped, V-shaped and ring-shaped structures.

[0046] Please refer to Figure 9 , Figure 9This is a cross-sectional view of the plate end assembly in the rotary terminal fixing structure of this utility model. To facilitate the installation of multiple PIN pin mechanisms, in one embodiment, a fitting plate 11 is provided inside the plate end sheath 1. One side of the fitting plate 11 has mounting holes for mounting multiple rivets 3, and the other side has a second through hole 111 communicating with the mounting holes for multiple rotating PIN pins 2 to pass through. A sliding groove 112 is provided inside the fitting plate 11, and a rotating cavity 113 communicating with the sliding groove 112 is provided above the sliding groove 112 inside the fitting plate 11. A gear 22 is disposed within the rotating cavity 113. The plate end sheath 1, the fitting plate 11, the rivets 3, and the fixing PIN pins 4 are formed as a single unit through a fitting process. In one embodiment, a partition 12 is provided inside the end sleeve 1. The partition 12 is connected to the mounting plate 11, and a third through hole is provided on the partition 12, which is connected to a plurality of mounting holes. One end of the fixing pin 4 passes through the third through hole and is inserted into the rivet 3. The end of the fixing pin 4 inserted into the rivet 3 is mushroom-shaped. The mushroom-shaped end of the fixing pin 4 can be made of a softer metal. The materials of the rivet 3 and the rotating pin 2 are harder than the mushroom-shaped end of the fixing pin 4. When the rotating pin 2 and the fixing pin 4 are installed in the rivet 3, the rotating pin 2 can squeeze the mushroom-shaped end of the fixing pin 4 to form a mutual fit, thereby making the rotating pin 2 and the fixing pin 4 have an interference contact, ensuring the contact and connection between the rotating pin 2 and the fixing pin 4.

[0047] To facilitate the installation of the rack 7, in one embodiment, a fourth through hole communicating with the slide groove 112 is provided on one side of the plate end sleeve 1. One end of the rack 7 extends from the fourth through hole to the outside of the plate end sleeve 1 for contacting the push rod 9. A limiting plate 13 is provided on the plate end sleeve 1 to limit the position of the rack 7. The rack 7 is inserted into the slide groove 112 through the fourth through hole until it contacts the first elastic member 8. The rack 7 is then pressed in until it is locked with the limiting plate 13, and the first elastic member 8 is in a pre-compressed state.

[0048] Please refer to the following: Figure 8 , Figure 8 This is a schematic diagram of the rivet structure in the rotary terminal fixing structure of this utility model. In one embodiment, the inner wall of the rivet 3 is provided with a plurality of spherical protrusions 31 that abut against the rotating pin 2. The plurality of spherical protrusions 31 are evenly spaced along the circumference of the rivet 3. The spherical protrusions 31 inside the rivet 3 are interference-fitted with the outer surface of the rotating pin 2 by 0.1 to 0.2 mm, so that the rotating pin 2 and the rivet 3 are restricted in movement, and the rotating pin 2 can rotate inside the rivet 3.

[0049] In an embodiment, the bottom of the terminal 6 is provided with a barb 63 capable of elastic deformation, the wire end sleeve 5 is provided with a plurality of insertion grooves for inserting the plurality of terminals 6 respectively, and the bottom of each insertion groove is provided with a recess 51 for inserting the barb 63. The terminal 6 is inserted into the insertion groove of the wire end sleeve 5 by insertion, and when the terminal 6 is inserted, the barb 63 at the bottom of the terminal 6 is elastically deformed by the extrusion of the bottom of the insertion groove. When the terminal 6 is inserted in place, i.e. the barb 63 moves to the position of the recess 51, the barb 63 is no longer extruded by external force. At this time, the barb 63 rebounds and is inserted into the recess 51, so that the barb 63 and the recess 51 are limited by each other to prevent the terminal 6 from falling off the wire end sleeve 5, so that the terminal 6 is installed in the wire end sleeve 5. In order to enable the terminal 6 to be more firmly installed in the wire end sleeve 5, in an embodiment, the wire end assembly further comprises a secondary locking plate 10, the secondary locking plate 10 is provided with a plurality of pressing columns 101 corresponding to the plurality of terminals 6 one by one, the terminal 6 is provided with a second insertion groove 64 for inserting the pressing column 101, and the secondary locking plate 10 and the wire end sleeve 5 are provided with second buckling members capable of buckling with each other. When the secondary locking plate 10 is buckled with the wire end sleeve 5, the pressing column 101 is inserted into the second insertion groove 64 of the corresponding terminal 6. The secondary locking plate 10 can be clamped on the wire end sleeve 5, and the pressing column 101 on the secondary locking plate 10 passes through the corresponding insertion groove and is inserted into the second insertion groove 64 of the terminal 6. By pressing the corresponding terminal 6 with the pressing column 101, the position of the terminal 6 is fixed and limited, further preventing the terminal 6 from falling off the wire end sleeve 5.

[0050] In an embodiment, the secondary locking plate 10 is provided with a guide plate 102, the guide plate 102 is provided with a plurality of guide grooves, and the wire end sleeve 5 is provided with a guide rail 52 matched with the plurality of guide grooves. By matching the guide grooves and the guide rail 52, the movement direction of the secondary locking plate 10 is limited, so that when the secondary locking plate 10 is inserted into the wire end sleeve 5 and clamped with the wire end sleeve 5, each pressing column 101 can be smoothly inserted into the second insertion groove 64 of each terminal 6.

[0051] In an embodiment, the first fastening member comprises a first fastening seat 14 arranged on the board end sleeve 1, a first fastening plate 53 arranged on the wire end sleeve 5, the first fastening plate 53 being capable of being pressed out of the first fastening seat 14; the second fastening member comprises a second fastening seat 54 arranged on the wire end sleeve 5, a second fastening plate 103 arranged on the secondary locking sheet 10, the second fastening plate 103 being capable of being pulled out of the second fastening seat 54. The first fastening member can adopt a commonly used fastening manner, specifically, the first fastening seat 14 is in the shape of a trapezoid as a whole, the first fastening plate 53 is capable of being deformed by pressing, and the first fastening plate 53 is provided with a hook abutting against a side wall of the first fastening seat 14. In the process of installation, the hook moves along the first fastening seat 14 to abut against the side wall of the first fastening seat 14, thereby realizing the fastening of the board end sleeve 1 and the wire end sleeve 5; in the process of disassembly, a user applies a certain pressing force to an end of the first fastening plate 53 away from the hook, so that the first fastening plate 53 and the end of the hook are lifted to separate the hook from the first fastening seat 14, and at this moment, the wire end sleeve 5 and the board end sleeve 1 can be separated. Similarly, the second fastening member can also adopt a commonly used fastening manner, specifically, the second fastening seat 54 is in the shape of a trapezoid as a whole, the second fastening plate 103 is capable of being deformed by pulling, and the second fastening plate 103 is provided with a fastening groove accommodating the second fastening seat 54. In the process of installation, the second fastening plate 103 moves along the second fastening seat 54, so that the second fastening seat 54 is inserted into the fastening groove, thereby realizing the fastening of the secondary locking sheet 10 and the wire end sleeve 5; in the process of disassembly, a user pulls the second fastening plate 103, so that the second fastening seat 54 is separated from the fastening groove, and at this moment, the wire end sleeve 5 and the secondary locking sheet 10 can be separated.

[0052] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the present application still falls within the scope of the present application.

Claims

1. A rotary terminal fixing structure comprising a board end assembly and a wire end assembly which cooperate with each other, characterized in that, Also comprising a driving assembly; The board end assembly comprises a board end sleeve and a plurality of PIN needle mechanisms, the plurality of PIN needle mechanisms are arranged in the board end assembly, the PIN needle mechanism comprises a rotating PIN needle, a rivet and a fixed PIN needle, the rivet is arranged in the board end sleeve, a first through hole is arranged in the rivet from the first end to the second end, one end of the rotating PIN needle is inserted into the rivet from the first end of the rivet and is in interference fit with the rivet, one end of the fixed PIN needle is inserted into the rivet from the second end of the rivet and is in interference contact with the rotating PIN needle, a clamping groove is arranged on both sides of the rotating PIN needle, the rotating PIN needle can rotate relative to the rivet to form a first position and a second position; The wire end assembly comprises a wire end sleeve and a plurality of terminals, the plurality of terminals and the plurality of rotating PIN needles are one-to-one corresponding, the plurality of terminals are arranged in the wire end sleeve, a first insertion slot is arranged on the terminal for inserting the rotating PIN needle, a boss is arranged on the two side walls of the first insertion slot and is matched with the clamping groove. One side of the board end sleeve and the wire end sleeve is provided with a first buckling part capable of buckling each other, when the board end sleeve and the wire end sleeve are buckled, the rotating PIN needle is inserted into the first insertion slot of the corresponding terminal in the first position, and the driving assembly drives each rotating PIN needle to rotate from the first position to the second position. When the rotating PIN needle is in the second position, the clamping groove of the rotating PIN needle and the boss of the corresponding terminal are buckled with each other.

2. The rotary terminal fixing structure according to claim 1, characterized by A gear is arranged on the rotating PIN needle, the driving assembly comprises a rack, a first elastic member and a push rod, a sliding groove is arranged in the board end sleeve, the rack is slidingly arranged in the sliding groove and is engaged with the gears on the plurality of rotating PIN needles, the first end of the rack is connected with the board end sleeve through the first elastic member, the first end of the push rod is arranged on the wire end sleeve, an inclined surface is arranged on the second end of the push rod, when the board end sleeve and the wire end sleeve are buckled, the second end of the push rod pushes the rack to move along the sliding groove, and each gear is driven to rotate by the rack, so that each gear drives each rotating PIN needle to rotate from the first position to the second position.

3. The rotary terminal fixing structure according to claim 2, characterized by A fitting plate is arranged in the board end sleeve, a mounting hole is arranged on one side of the fitting plate for mounting the plurality of rivets, a second through hole is arranged on the other side of the fitting plate and is communicated with the plurality of mounting holes for the plurality of rotating PIN needles to pass through, the sliding groove is arranged in the fitting plate, a rotating cavity is arranged in the fitting plate above the sliding groove and is communicated with the sliding groove, and the gear is arranged in the rotating cavity.

4. The rotary terminal fixing structure according to claim 3, characterized by A partition plate is arranged in the board end sleeve, the partition plate is connected with the fitting plate, a third through hole is arranged on the partition plate and is communicated with the plurality of mounting holes, one end of the fixed PIN needle is inserted into the rivet after passing through the third through hole, and the end of the fixed PIN needle inserted into the rivet is mushroom-shaped.

5. The rotary terminal fixing structure according to claim 3, wherein A fourth through hole is arranged on one side of the board end sleeve and is communicated with the sliding groove, one end of the rack extends to the outside of the board end sleeve from the fourth through hole and is used to contact the push rod, and a limiting plate is arranged on the board end sleeve for limiting the position of the rack.

6. The rotary terminal fixing structure according to claim 1, characterized by The rivet inner side wall is provided with a plurality of ball-shaped convex points abutting against the rotating PIN needle, and the plurality of ball-shaped convex points are arranged at equal intervals along the circumference of the rivet.

7. The rotary terminal fixing structure according to claim 1, wherein The terminal bottom is provided with an elastic deformation hook, the wire end sheath is provided with a plurality of insertion grooves for inserting the plurality of terminals respectively, and the insertion groove bottom is provided with a groove for inserting the hook.

8. The rotary terminal fixing structure according to claim 7, wherein The wire end assembly further comprises a secondary locking sheet, the secondary locking sheet is provided with a plurality of pressing columns corresponding to the plurality of terminals, the terminal is provided with a second insertion groove for inserting the pressing column, and the secondary locking sheet and the wire end sheath are provided with second buckling members capable of buckling each other on the opposite sides.

9. The rotary terminal fixing structure according to claim 8, wherein The secondary locking sheet is provided with a guide plate, the guide plate is provided with a plurality of guide grooves, and the wire end sheath is provided with guide rails matched with the plurality of guide grooves.

10. The rotary terminal fixing structure according to claim 8, wherein The first buckling member comprises a first buckling seat arranged on the plate end sheath and a first buckling plate arranged on the wire end sheath, and the first buckling plate can be separated from the first buckling seat by pressing; The second buckling member comprises a second buckling seat arranged on the wire end sheath and a second buckling plate arranged on the secondary locking sheet, and the second buckling plate can be separated from the second buckling seat by pulling.

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